Lamp and Temperature indicatorsWhen an indicator lights upIf a problem should occur inside the projector, the lamp indicator and the temperature indicator will informyou by lighting or blinking. Check the status of the indicators and remedy the indicated problems as follows.Attentionf Before you take a remedial measure, follow the procedure of switching the power off indicated in “Powering Off theProjector”. (Æ page 44)Lamp indicator Temperature indicator Lamp indicator Indicator status Lighting in red Blinking in redStatus Time to replace the lamp unit.(Æ page 130)A problem is detected in the lamp or the power supply for thelamp.Checkf Was [REPLACE LAMP] displayedwhen you turned on the power?f The indicator lights up when theruntime of the lamp unit has reached5 000 hours (when [LAMP POWER] isset to [NORMAL]).f Have you turned on thepower again immediatelyafter turning it off?f Some error has occurred inthe lamp circuit. Check forfluctuation (or drop) in thesource voltage.Remedy f Replace the lamp unit.f Wait a while until theluminous lamp cools off,and then turn on the power.f Turn off the projector, andunplug the AC power cord,and consult your dealer.Notef If the lamp indicator is still lighting or blinking after taking the preceding measures, ask your dealer for repair.Temperature indicator Indicator status Lighting in red Blinking in red Blinking in red (Slow)Status The air filter unit is clogged, internaltemperature is high (warning).The air filter unit is clogged,internal temperature is high(standby status).The projector detects anabnormal condition andcannot be turned on.Checkf Is the air intake/exhaust port blocked?f Is the room temperature high?f Is the air filter unit dirty?_Remedyf Remove any objects that are blocking the air intake/ exhaust port.f Install the projector in a location with an ambient temperature of 0 °C(32 °F) to 40 °C (104 °F)*1 .f Do not use the projector at high altitudes of 2 700 m (8 858') or higherabove sea level.f Replace the air filter unit. (Æ page 128)f If the projector is turned offagain, unplug the AC powercord and contact the dealeror the service center forservice and checkup.*1 When using the projector at high altitudes (between 1 200 m (3 937’) and 2 700 m (8 858’) above sea level), the operatingenvironment temperature should be between 0 °C (32 °F) and 30 °C (86 °F).Notef If the temperature indicator is still lighting or blinking after taking the preceding measures, ask your dealer forrepair.f If the [LAMP POWER] is set to [NORMAL], [LAMP POWER] may be set to [ECO] forcibly to protect the projector when theoperating environment temperature becomes 35 °C (95 °F) ~ 40 °C (104 °F).ENGLISH - 127Chapter 6 Maintenance - Lamp and Temperature indicators
